Assuming you have normal respiratory function at sea level, start holding your breath. Which of the following could be true in 60 seconds?
A. The oxygen-hemoglobin dissociation curve is shifting to the left
B. Venous PO2 = 50 mmHg
C. Arterial PCO2 = 50 mmHg
D. Alveolar PO2 = 105 mmHg
Answer: C
You might also like to view...
Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A. Smooth muscle contracts more slowly but relaxes more rapidly. B. Smooth muscle contracts more rapidly but relaxes more slowly. C. Smooth muscle contracts and relaxes more slowly. D. Smooth muscle consumes more ATP to maintain a given level of muscle tension. E. Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction.
Polymorphonuclear granulocytes are leukocytes that have no granules in their cytoplasm.
Answer the following statement true (T) or false (F)
Which of the following movements is a good example of depression?
A) opening the mouth B) turning the hand palm upward C) extreme backward bending of the head D) moving the hand toward the shoulder E) spreading the fingers
Most body fat in overweight people is stored in the integumentary system
Indicate whether the statement is true or false